204985274 has 8 divisors (see below), whose sum is σ = 331130100. Its totient is φ = 94608576.

The previous prime is 204985273. The next prime is 204985289. The reversal of 204985274 is 472589402.

It can be written as a sum of positive squares in 2 ways, for example, as 204919225 + 66049 = 14315^2 + 257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204985273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3941999 + ... + 3942050.

Almost surely, 2^204985274 is an apocalyptic number.

204985274 is a deficient number, since it is larger than the sum of its proper divisors (126144826).

204985274 is a wasteful number, since it uses less digits than its factorization.

204985274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884064.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 204985274 is about 14317.3067998140. The cubic root of 204985274 is about 589.6227349723.

The spelling of 204985274 in words is "two hundred four million, nine hundred eighty-five thousand, two hundred seventy-four".